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Reflow Makefile.
Sort using scripts/sort-makefile-lines.py.
Code generation is changed as routines are linked in sorted order
as expected.
No regressions on x86_64 and i686.
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Reflow Makefile.
Sort using scripts/sort-makefile-lines.py.
Code generation is changed as routines are linked in sorted order
as expected.
No regressions on x86_64 and i686.
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Fix list terminator whitspace.
Sort using scripts/sort-makefile-lines.py.
No code generation changes observed in binary artifacts.
No regressions on x86_64 and i686.
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Fix list terminator whitspace.
Sort using scripts/sort-makefile-lines.py.
No code generation changes observed in binary artifacts.
No regressions on x86_64 and i686.
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Calling fclose or freopen with a null FILE * is undefined behavior, and
doing so in practice will cause a SIGSEGV. So it seems suitable for
__nonnull.
This will help the compiler to warn for some buggy code, like
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109570.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This change harmonizes the declaration and use of `is_nscd' and fixes a
build failure with the "--enable-static-nss --enable-nscd"
configuration options due to `is_nscd' being used undeclared.
The purpose of `is_nscd' is to avoid (nss <-> nscd) recursion in
dynamically linked libc (SHARED) that is nscd-aware (USE_NSCD), and so
its declaration and use should be guarded by the definition of those
macros.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Linux 6.3 has no new syscalls. Update the version number in
syscall-names.list to reflect that it is still current for 6.3.
Tested with build-many-glibcs.py.
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While mach/kern_return.h happens to pull mach/machine/kern_return.h,
mach/machine/boolean.h, and mach/machine/vm_types.h (and realpath-ing them
exposes the machine-specific machine symlink content), those headers do not
actually define anything machine-specific for the content of errno.h.
So we can just rule out these machine-specific from the dependency
comment.
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We already did the same change for Hurd
(https://git.savannah.gnu.org/cgit/hurd/hurd.git/commit/?id=ef5924402864ef049f40a39e73967628583bc1a4)
Due to MiG requiring the subsystem to be defined early in order to know the
size of a port, this was causing a division by zero error during ./configure.
We could have just move subsystem to the top of the snippet, however it is
simpler to just remove the check given that we have no plans to use some other
MiG anyway.
HAVE_MIG_RETCODE is removed completely since this will be a no-op either
way (compiling against old Hurd headers will work the same, new Hurd
headers will result in the same stubs since retcode is a no-op).
Message-Id: <ZFspor91aoMwbh9T@jupiter.tail36e24.ts.net>
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This patch redirects the error functions to the appropriate
longdouble variants which enables the compiler to optimize
for the abi ieeelongdouble.
Signed-off-by: Sachin Monga <smonga@linux.ibm.com>
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Reflow all long lines adding comment terminators.
Sort all reflowed text using scripts/sort-makefile-lines.py.
No code generation changes observed in binary artifacts.
No regressions on x86_64 and i686.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The scripts/sort-makefile-lines.py script sorts Makefile variables
according to project expected order.
The script can be used like this:
$ scripts/sort-makefile-lines.py < elf/Makefile > elf/Makefile.tmp
$ mv elf/Makefile.tmp elf/Makefile
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Avoid inconsistent state in the debugger interface.
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This patch adds the strict checking for power-of-two alignments
in aligned_alloc(), and updates the manual accordingly.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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All of the mentioned variables are gone. gcc is just the default and
argv[1] can be used instead. /usr/include isn't hard-coded and you can
pass argv[2] with -I... to adjust.
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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The argument to @deftypefun must be on a single line.
Also add the missing @safety for sem_clockwait.
Reported-by: Nilgün Belma Bugüner <nillguine@gmail.com>
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Message-Id: <ZFfcM3DP+x7VHpWA@jupiter.tail36e24.ts.net>
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This reverts commit 117e8b341c5c0ace8d65feeef136fececb3fdc9c.
Reason for revert: Causes elf/tst-glibcelf and elf/tst-relro-*
to fail on all architectures.
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Summary of changes:
- Use BAD_TYPECHECK to perform type checking in a cleaner way.
BAD_TYPECHECK is moved into sysdeps/mach/rpc.h to avoid duplication.
- Remove assertions for mach_msg_type_t since those won't work for
x86_64.
- Update message structs to use mach_msg_type_t directly.
- Use designated initializers.
Message-Id: <ZFa+roan3ioo0ONM@jupiter.tail36e24.ts.net>
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This was set to ld-x86-64.so.1 in gcc.
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Reduce the usage of alloca() to the bare minimum to avoid the potential
for stack overflow. Use __strndup to simplify the code.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Check assembler and linker support too, not just SVE ACLE in the
compiler, since variant PCS requires at least binutils 2.32.1.
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Use more idiomatic configure test for better autoconf cache and logs.
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Signed-off-by: Sam James <sam@gentoo.org>
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Summary of the changes:
- Introduce BAD_TYPECHECK from MiG to make it simpler to do type
checking.
- Replace int type with mach_msg_type_t. This assumes that
mach_msg_type_t is always the same size as int which is not true for
x86_64.
- Calculate the size and align using PTR_ALIGN_UP, which is a bit
cleaner and similar to what we do elsewhere.
- Define mach_msg_type_t to check using designated initializers.
Message-Id: <ZFMvrIkvoCSxqB/C@jupiter.tail36e24.ts.net>
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Summary of the changes:
- Update msg_align to use ALIGN_UP like we have done in previous
patches. Use it below whenever necessary to avoid repeating the same
alignment logic.
- Define BAD_TYPECHECK to make it easier to do type checking in a few
places below.
- Update io2mach_type to use designated initializers.
- Make RetCodeType use mach_msg_type_t. mach_msg_type_t is 8 byte for
x86_64, so this make it portable.
- Also call msg_align for _IOT_COUNT2/_IOT_TYPE2 since it is more
correct.
Message-Id: <ZFMvVsuFKwIy2dUS@jupiter.tail36e24.ts.net>
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arm_sve.h depends on stdint.h but that relies on libc headers unless
compiled in freestanding mode. Without this change a bootstrap glibc
build (that uses a compiler without installed libc headers) failed with
checking for availability of SVE ACLE... In file included from [...]/arm_sve.h:28,
from conftest.c:1:
[...]/stdint.h:9:16: fatal error: stdint.h: No such file or directory
9 | # include_next <stdint.h>
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compilation terminated.
configure: error: mathvec is enabled but compiler does not have SVE ACLE. [...]
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This patch enables libmvec on AArch64. The proposed change is mainly
implementing build infrastructure to add the new routines to ABI,
tests and benchmarks. I have demonstrated how this all fits together
by adding implementations for vector cos, in both single and double
precision, targeting both Advanced SIMD and SVE.
The implementations of the routines themselves are just loops over the
scalar routine from libm for now, as we are more concerned with
getting the plumbing right at this point. We plan to contribute vector
routines from the Arm Optimized Routines repo that are compliant with
requirements described in the libmvec wiki.
Building libmvec requires minimum GCC 10 for SVE ACLE. To avoid raising
the minimum GCC by such a big jump, we allow users to disable libmvec
if their compiler is too old.
Note that at this point users have to manually call the vector math
functions. This seems to be acceptable to some downstream users.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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This now passes crossbuilds.
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dev_t are 64bit on Linux ports, so better increase their size on 64bit
Hurd. It happens that this helps with BZ 23084 there: st_dev has type fsid_t
(quad) and is specified by POSIX to have type dev_t. Making dev_t 64bit
makes these match.
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All the tst malloc variants need the thread linking flags.
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This patch updates build-many-glibcs.py to use Linux 6.3 and GCC 13
branch by default.
Tested with build-many-glibcs.py (host-libraries, compilers and glibc
builds).
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GCC docs explicitly list perror () as a good candidate for using
__attribute__ ((cold)). So apply __COLD to perror () and similar
functions.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230429131223.2507236-3-bugaevc@gmail.com>
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include/regex.h had not been updated during the int -> Idx transition,
and the prototypes don't matched the definitions in regexec.c.
In regcomp.c, most interfaces were updated for Idx, except for two ones
guarded by #if _LIBC.
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The standards want msg_lspid/msg_lrpid/shm_cpid/shm_lpid to be pid_t, see BZ
23083 and 23085.
We can leave them __rpc_pid_t on i386 for ABI compatibility, but avoid
hitting the issue on 64bit.
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The standards want uid/cuid to be uid_t, gid/cgid to be gid_t and mode to be
mode_t, see BZ 23082.
We can leave them short ints on i386 for ABI compatibility, but avoid
hitting the issue on 64bit.
bits/ipc.h ends up being exactly the same in sysdeps/gnu/ and
sysdeps/unix/sysv/linux/, so remove the latter.
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The standards want l_type and l_whence to be short ints, see BZ 23081.
We can leave them ints on i386 for ABI compatibility, but avoid hitting the
issue on 64bit.
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So that they can be trivially cast to pointer type, like with nptl.
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cmsg_len is supposed to be socklen_t according to standards, but it was made
size_t on Linux, see BZ 16919. For ports that have it socklen_t, SIZE_MAX is
too large. We can however explicitly cast it to the type of cmsg_len so it
will fit according to that type.
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The move of libanl to libc was in glibc 2.34 for nptl only.
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There is no compile-time IOV_MAX constraint on GNU/Hurd
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It is essentially nptl-only.
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These were created by creating stub files, running 'make update-abi',
and reviewing the results.
Also, set baseline ABI to GLIBC_2.38, the (upcoming) first glibc
release to first have x86_64-gnu support.
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
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If we're trying to interrupt an interruptible RPC, but the server fails
to respond to our __interrupt_operation () call, we instead destroy the
reply port we were expecting the reply to the RPC on.
Instead of deallocating the name completely, replace it with a dead
name, so the name won't get reused for some other right, and deallocate
it in _hurd_intr_rpc_mach_msg once we return from the signal handler.
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230429201822.2605207-4-bugaevc@gmail.com>
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We make lib{mach,hurd}user.so only call __mig_strlen which can be
relocated before libc.so is relocated, similar to what is done with
__mig_memcpy.
Message-Id: <ZE8DTRDpY2hpPZlJ@jupiter.tail36e24.ts.net>
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